Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.

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Rare Fossil Ammonite Pseudogrammoceras mulleri | Jurassic Aalenian Aveyron France | Genuine + COA
Rare Fossil Ammonite Pseudogrammoceras mulleri | Jurassic Aalenian Aveyron France | Genuine + COA - Image 2

Rare Fossil Ammonite Pseudogrammoceras mulleri | Jurassic Aalenian Aveyron France | Genuine + COA

£43.20

Offered here is a rare and scientifically important fossil ammonite, Pseudogrammoceras mulleri, from the Aalenian Stage of the Jurassic Period, found in Aveyron, France. This specimen has been carefully selected and the photo shows the exact item you will receive. Scale cubes represent 1cm — please refer to the photograph for full sizing.

This is a stunning example for any collector or academic interested in early Middle Jurassic ammonites.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

 

Geological & Scientific Details:

  • Fossil Type: Ammonite (typically preserved as a coiled, planispiral shell)
  • Species: Pseudogrammoceras mulleri
  • Order: Ammonitida
  • Superfamily: Hildoceratoidea
  • Family: Graphoceratidae
  • Geological Stage: Aalenian (approx. 174.1 – 170.3 million years ago)
  • Period: Jurassic
  • Locality: Aveyron, Occitanie region, southern France
  • Depositional Environment: Shallow marine basin with fine-grained, carbonate-rich sedimentation typical of early Middle Jurassic environments in southern Europe

 

Morphology & Features:

  • Involute shell with well-defined growth lines and ribbing
  • Flanks are gently convex, leading to a moderately rounded venter
  • Ribs may bifurcate and show slight curvature, indicative of this genus
  • The suture line, if visible, displays typical lobes of the Graphoceratidae
  • Compact form makes it ideal for display or comparative studies

 

Scientific Significance: Pseudogrammoceras mulleri is an important ammonite species for Aalenian biostratigraphy, helping to define biozones within the early Middle Jurassic. Its limited geographical and stratigraphic range makes it a valuable index fossil. First described by paleontologists studying the classic Jurassic successions of France and Germany, it continues to inform geological correlation studies across Europe.

Specimens like this one contribute to understanding ammonite diversity and evolutionary development after the Toarcian turnover event.

 

Ideal For:

  • Advanced collectors of ammonites and Jurassic material
  • Educational use in geology or paleontology
  • Academic reference in biostratigraphy or ammonite taxonomy

 

Included With Purchase:

  • The exact Pseudogrammoceras mulleri fossil shown
  • Certificate of Authenticity
  • Secure and protective packaging

 

Please feel free to get in touch with any questions — we’re happy to help with further details or fossil identification guidance.

(Actual as seen)

Only 1 left in stock

SKU: UF4524 Category:

Description

Offered here is a rare and scientifically important fossil ammonite, Pseudogrammoceras mulleri, from the Aalenian Stage of the Jurassic Period, found in Aveyron, France. This specimen has been carefully selected and the photo shows the exact item you will receive. Scale cubes represent 1cm — please refer to the photograph for full sizing.

This is a stunning example for any collector or academic interested in early Middle Jurassic ammonites.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

 

Geological & Scientific Details:

  • Fossil Type: Ammonite (typically preserved as a coiled, planispiral shell)
  • Species: Pseudogrammoceras mulleri
  • Order: Ammonitida
  • Superfamily: Hildoceratoidea
  • Family: Graphoceratidae
  • Geological Stage: Aalenian (approx. 174.1 – 170.3 million years ago)
  • Period: Jurassic
  • Locality: Aveyron, Occitanie region, southern France
  • Depositional Environment: Shallow marine basin with fine-grained, carbonate-rich sedimentation typical of early Middle Jurassic environments in southern Europe

 

Morphology & Features:

  • Involute shell with well-defined growth lines and ribbing
  • Flanks are gently convex, leading to a moderately rounded venter
  • Ribs may bifurcate and show slight curvature, indicative of this genus
  • The suture line, if visible, displays typical lobes of the Graphoceratidae
  • Compact form makes it ideal for display or comparative studies

 

Scientific Significance: Pseudogrammoceras mulleri is an important ammonite species for Aalenian biostratigraphy, helping to define biozones within the early Middle Jurassic. Its limited geographical and stratigraphic range makes it a valuable index fossil. First described by paleontologists studying the classic Jurassic successions of France and Germany, it continues to inform geological correlation studies across Europe.

Specimens like this one contribute to understanding ammonite diversity and evolutionary development after the Toarcian turnover event.

 

Ideal For:

  • Advanced collectors of ammonites and Jurassic material
  • Educational use in geology or paleontology
  • Academic reference in biostratigraphy or ammonite taxonomy

 

Included With Purchase:

  • The exact Pseudogrammoceras mulleri fossil shown
  • Certificate of Authenticity
  • Secure and protective packaging

 

Please feel free to get in touch with any questions — we’re happy to help with further details or fossil identification guidance.

Additional information

Era

Jurassic
Origin

France

Jurassic Information

The Jurassic Period (201–145 million years ago) was the golden age of dinosaurs, with iconic species like Brachiosaurus, Stegosaurus, and Allosaurus dominating the land. It was a time of warm, humid climates, with high sea levels that created vast shallow seas, supporting abundant marine reptiles, ammonites, and early coral reefs. The first birds, such as Archaeopteryx, evolved from small theropod dinosaurs, while early mammals remained small and nocturnal. Lush forests of cycads, conifers, and ferns covered the land, providing food for giant herbivores. The breakup of the supercontinent Pangaea accelerated, shaping Earth's geography and setting the stage for the diverse ecosystems of the Cretaceous.

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